Analysis Overview
SHA256
f8e00102c8e41d90690f3a3a3ecca6bf9be6c5c95b5ba85fa4a1dad76e67258b
Threat Level: Shows suspicious behavior
The file dc75117ef4e143a7ede29fb4f935f0aa was found to be: Shows suspicious behavior.
Malicious Activity Summary
Installs/modifies Browser Helper Object
Unsigned PE
Modifies registry class
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-21 19:43
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-21 19:43
Reported
2024-03-21 19:46
Platform
win7-20240221-en
Max time kernel
122s
Max time network
136s
Command Line
Signatures
Installs/modifies Browser Helper Object
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{EC77EAFC-62D0-42B4-B2FB-64D6B18C5BDD} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{AAAAC6F5-A653-4B2A-9C02-8EBD19366183}\ = "Iavbt" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{AAAAC6F5-A653-4B2A-9C02-8EBD19366183}\TypeLib\Version = "1.0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\dc75117ef4e143a7ede29fb4f935f0aa.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{50365571-A7C7-47B3-854D-F45FDFC6687E}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20}\1.0\0 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{50365571-A7C7-47B3-854D-F45FDFC6687E} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{50365571-A7C7-47B3-854D-F45FDFC6687E}\TypeLib\ = "{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{AAAAC6F5-A653-4B2A-9C02-8EBD19366183}\ProxyStubClsid32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EC77EAFC-62D0-42B4-B2FB-64D6B18C5BDD}\VersionIndependentProgID\ = "QXK.Olive" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{50365571-A7C7-47B3-854D-F45FDFC6687E}\ProxyStubClsid32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{50365571-A7C7-47B3-854D-F45FDFC6687E}\TypeLib | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EC77EAFC-62D0-42B4-B2FB-64D6B18C5BDD}\VersionIndependentProgID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EC77EAFC-62D0-42B4-B2FB-64D6B18C5BDD}\TypeLib | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{50365571-A7C7-47B3-854D-F45FDFC6687E}\ = "_IavbtEvents" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20}\1.0\0\win32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EC77EAFC-62D0-42B4-B2FB-64D6B18C5BDD}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\dc75117ef4e143a7ede29fb4f935f0aa.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{AAAAC6F5-A653-4B2A-9C02-8EBD19366183}\TypeLib\ = "{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EC77EAFC-62D0-42B4-B2FB-64D6B18C5BDD}\Programmable | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{50365571-A7C7-47B3-854D-F45FDFC6687E}\TypeLib\ = "{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AAAAC6F5-A653-4B2A-9C02-8EBD19366183}\TypeLib\Version = "1.0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20}\1.0\ = "avbt TL" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{50365571-A7C7-47B3-854D-F45FDFC6687E} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{AAAAC6F5-A653-4B2A-9C02-8EBD19366183} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EC77EAFC-62D0-42B4-B2FB-64D6B18C5BDD}\TypeLib\ = "{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20}\1.0\HELPDIR | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{50365571-A7C7-47B3-854D-F45FDFC6687E}\TypeLib\Version = "1.0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EC77EAFC-62D0-42B4-B2FB-64D6B18C5BDD}\ = "QXK Olive" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{50365571-A7C7-47B3-854D-F45FDFC6687E}\ProxyStubClsid32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{AAAAC6F5-A653-4B2A-9C02-8EBD19366183}\TypeLib | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AAAAC6F5-A653-4B2A-9C02-8EBD19366183}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AAAAC6F5-A653-4B2A-9C02-8EBD19366183}\TypeLib | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AAAAC6F5-A653-4B2A-9C02-8EBD19366183}\TypeLib\ = "{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EC77EAFC-62D0-42B4-B2FB-64D6B18C5BDD}\InprocServer32\ThreadingModel = "Apartment" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20}\1.0\HELPDIR\ | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{50365571-A7C7-47B3-854D-F45FDFC6687E}\TypeLib\Version = "1.0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EC77EAFC-62D0-42B4-B2FB-64D6B18C5BDD}\InprocServer32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20}\1.0\FLAGS\ = "0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{50365571-A7C7-47B3-854D-F45FDFC6687E}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20}\1.0 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20}\1.0\FLAGS | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{AAAAC6F5-A653-4B2A-9C02-8EBD19366183}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{50365571-A7C7-47B3-854D-F45FDFC6687E}\ = "_IavbtEvents" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AAAAC6F5-A653-4B2A-9C02-8EBD19366183}\ProxyStubClsid32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EC77EAFC-62D0-42B4-B2FB-64D6B18C5BDD} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AAAAC6F5-A653-4B2A-9C02-8EBD19366183} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AAAAC6F5-A653-4B2A-9C02-8EBD19366183}\ = "Iavbt" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{50365571-A7C7-47B3-854D-F45FDFC6687E}\TypeLib | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EC77EAFC-62D0-42B4-B2FB-64D6B18C5BDD}\ProgID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EC77EAFC-62D0-42B4-B2FB-64D6B18C5BDD}\ProgID\ = "QXK.Olive" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1380 wrote to memory of 2608 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 1380 wrote to memory of 2608 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 1380 wrote to memory of 2608 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 1380 wrote to memory of 2608 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 1380 wrote to memory of 2608 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 1380 wrote to memory of 2608 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 1380 wrote to memory of 2608 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\dc75117ef4e143a7ede29fb4f935f0aa.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\dc75117ef4e143a7ede29fb4f935f0aa.dll
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-21 19:43
Reported
2024-03-21 19:45
Platform
win10v2004-20240319-en
Max time kernel
148s
Max time network
157s
Command Line
Signatures
Installs/modifies Browser Helper Object
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{EC77EAFC-62D0-42B4-B2FB-64D6B18C5BDD} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{50365571-A7C7-47B3-854D-F45FDFC6687E}\ = "_IavbtEvents" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{50365571-A7C7-47B3-854D-F45FDFC6687E}\TypeLib\Version = "1.0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AAAAC6F5-A653-4B2A-9C02-8EBD19366183} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20}\1.0\FLAGS | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AAAAC6F5-A653-4B2A-9C02-8EBD19366183}\TypeLib | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC77EAFC-62D0-42B4-B2FB-64D6B18C5BDD}\VersionIndependentProgID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC77EAFC-62D0-42B4-B2FB-64D6B18C5BDD}\InprocServer32\ThreadingModel = "Apartment" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC77EAFC-62D0-42B4-B2FB-64D6B18C5BDD}\TypeLib\ = "{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{AAAAC6F5-A653-4B2A-9C02-8EBD19366183}\TypeLib\ = "{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AAAAC6F5-A653-4B2A-9C02-8EBD19366183}\TypeLib\Version = "1.0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC77EAFC-62D0-42B4-B2FB-64D6B18C5BDD}\InprocServer32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC77EAFC-62D0-42B4-B2FB-64D6B18C5BDD}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\dc75117ef4e143a7ede29fb4f935f0aa.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20}\1.0 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{AAAAC6F5-A653-4B2A-9C02-8EBD19366183}\TypeLib | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20}\1.0\HELPDIR | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{50365571-A7C7-47B3-854D-F45FDFC6687E}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{AAAAC6F5-A653-4B2A-9C02-8EBD19366183} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{AAAAC6F5-A653-4B2A-9C02-8EBD19366183}\ = "Iavbt" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC77EAFC-62D0-42B4-B2FB-64D6B18C5BDD}\VersionIndependentProgID\ = "QXK.Olive" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20}\1.0\0 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20}\1.0\0\win32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\dc75117ef4e143a7ede29fb4f935f0aa.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{AAAAC6F5-A653-4B2A-9C02-8EBD19366183}\TypeLib\Version = "1.0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AAAAC6F5-A653-4B2A-9C02-8EBD19366183}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC77EAFC-62D0-42B4-B2FB-64D6B18C5BDD}\ProgID\ = "QXK.Olive" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20}\1.0\FLAGS\ = "0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{50365571-A7C7-47B3-854D-F45FDFC6687E}\TypeLib\ = "{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AAAAC6F5-A653-4B2A-9C02-8EBD19366183}\TypeLib\ = "{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC77EAFC-62D0-42B4-B2FB-64D6B18C5BDD}\Programmable | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20}\1.0\HELPDIR\ | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{50365571-A7C7-47B3-854D-F45FDFC6687E} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{50365571-A7C7-47B3-854D-F45FDFC6687E}\TypeLib\Version = "1.0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{50365571-A7C7-47B3-854D-F45FDFC6687E}\TypeLib\ = "{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC77EAFC-62D0-42B4-B2FB-64D6B18C5BDD}\ = "QXK Olive" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{50365571-A7C7-47B3-854D-F45FDFC6687E}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC77EAFC-62D0-42B4-B2FB-64D6B18C5BDD}\TypeLib | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{50365571-A7C7-47B3-854D-F45FDFC6687E} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{AAAAC6F5-A653-4B2A-9C02-8EBD19366183}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20}\1.0\ = "avbt TL" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{50365571-A7C7-47B3-854D-F45FDFC6687E}\TypeLib | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC77EAFC-62D0-42B4-B2FB-64D6B18C5BDD}\ProgID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{AAAAC6F5-A653-4B2A-9C02-8EBD19366183}\ProxyStubClsid32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AAAAC6F5-A653-4B2A-9C02-8EBD19366183}\ProxyStubClsid32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC77EAFC-62D0-42B4-B2FB-64D6B18C5BDD} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{50365571-A7C7-47B3-854D-F45FDFC6687E}\ProxyStubClsid32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{50365571-A7C7-47B3-854D-F45FDFC6687E}\ = "_IavbtEvents" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AAAAC6F5-A653-4B2A-9C02-8EBD19366183}\ = "Iavbt" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{50365571-A7C7-47B3-854D-F45FDFC6687E}\ProxyStubClsid32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{50365571-A7C7-47B3-854D-F45FDFC6687E}\TypeLib | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3208 wrote to memory of 2892 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 3208 wrote to memory of 2892 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 3208 wrote to memory of 2892 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\dc75117ef4e143a7ede29fb4f935f0aa.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\dc75117ef4e143a7ede29fb4f935f0aa.dll
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3896 --field-trial-handle=2808,i,4621512294509789388,1545966267740426092,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 13.107.246.64:443 | tcp | |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 13.107.246.64:443 | tcp | |
| US | 8.8.8.8:53 | 140.71.91.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.121.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.173.189.20.in-addr.arpa | udp |